Take 10 lemons big size and wash them and dry it up with a cloth.
Cut the lemon into 8 qtrs equaly and remove the seeds.
5 lemons squeeze them and take the juice in a bowl.
In a bowl take the cut lemon pieces add turermic,garlic,fengreek powder mix all these well and then add squeezed lemon juice into it and keep it a side for 3 days in a jar and when ever you need you can remove some and add tempering to it or u can temper immdly.
For tempeting take a pan add oil, red chillies,mustrd seeds,cumin seeds and mix well and switch of the flame and add hing, curry leaves mix this to the lemon pickle.
keep this pickle for more then 5 days to have, if you u want to have immdly u can but the lemon will be very sour.